1 The inner surfaces of the acellular tracheae matrix showed a regular rough construction under scanning electron microscopy.

2 Results: Acellular nerve were milk white columned and translucent, its tractility was slightly increased than before disposal.

3 Microscopically, caseous necrosis is characterized by acellular pink areas of necrosis, as seen here at the upper right, surrounded by a granulomatous inflammatory process.

4 Methods: To use acellular dermal matrix for correction of face defects and contour deformities.

5 Objective To investigate the preparation of bone acellular extra cell matrix(AECM) and to analyze its component.

6 BACKGROUND: At present, the preparation methods of acellular vascular matrix include enzyme digestion and decontaminant.

7 Conclusion:The method of laying the acellular der- mal matrix in parotidectomy can efficiently prevent Frey syndrome.

8 Objective To investigate the possibility for acellular dermis(AD) prepared by trypsase and repeated freeze thaw cycles to be an ideal dermal substitute for construction of composite skin.

9 Objective To find a better method of acellular dermal matrix preparation.

10 CONCLUSION: The acellular nerve grafts possess well-conserved structure of neurilemma tube and excellent histocompatibility, and is the possible replaced material for autologous nerve graft.

11 Tissue compatibility was studied by implanting acellular tracheae matrix adjacent to cheek skin in SD rats lasting for 1,4 and 12 weeks.

12 To study allograft acellular dermal matrix in cosmetologty repaire of nasolabial groove soft tissue deficiency.

13 Conclusion: Acellular dermal matrix is a ideal graft material for soft tissue augmentation.

14 Methods Human acellular bone was obtained from the iliac bone of fresh corpse, processed with 15% hydroperoxide and ether solution and sterilized for conservation.

15 Objective To explore the effect of acellular bovine pericardium(ABP)treated with EDAC used as a barrier membrane for guiding bone regeneration, and to evaluate its biocompatibility.

16 An acellular dermal matrix was prepared from allogenic or xenogenic skin by removing epidermis with a hyperosmotic salt solution and excluding cellular components in dermis with a detergent solution.

17 Methods: Altogether 54 patients were treated by acellular allogenic dermis with split - thickness autologous skin graft.

18 Objective To evaluate the prevention of dry socket by partly using the acellular dermal matrix.

19 The natural biological organism derived materials included mainly collagen, fibrin gelatum, hyaluronic acid, chitin and natural extracellular matrix after acellular disposal, etc.

20 AIM: To introduce the making procedure of porcine bladder acellular matrix PBAM and explore whether the binding reaction of antigen and antibody with xenogeneic serum existing or not.

21 To develop a procedure by which Schwann cell and myelin in the peripheral nerve could be removed while the basal lamina tubes remained intact , and to obtain a long acellular nerve scaffold.

22 Objective: Observe the effects of the anal fistula treatment with acellular dermal matrix.

23 Objective To study the optimal method of preparing the rabbit acellular dermal matrix ( ADM ).

24 Objective To observe the effect of chondrocyte culture with natural ECM made from allogenous acellular cartilage.

25 In flowering plants , for instance, the early stages of endosperm development are often acellular.

26 Conclusion Low concentration trypsinization and repeated freeze-thaw cycles seemed to be a simple and effective method for the preparation of xenogeneic acellular dermal matrix.

27 After implanted in the SD rat's body for 12 weeks, the acellular tracheae matrix showed compatibility with surrounding tissue and maintained ideal architecture with out local inflammation.

28 Objective : To investigate the effects of the application of allogeneic acellular skin in burn wounds.

29 Objective To evaluate the clinical outcome and functional reconstruction of malformations in the midface regions treated with dorsal flap of the foot and acellular xenogenic dermal matrix.

30 Results There was no cellular components but with intact basal membrane, and collagen was found to have a regular arrangement in xenogeneic (porcine) acellular dermal matrix.

31 Thus, the OMP and its fractions after glutaraldehyde detoxification might be adopted as acellular vaccine of B. pertussis.

32 Objective To evaluate the clinical use of acellular dermal matrix ( ADM ) in the repair of pharynx.

33 Enamel matrix protein is secreted by Hertwig's epithelial root sheath and is responsible for initiating the original formation of acellular cementum on the developing tooth root.

34 Conclusion Acellular dermal matrix patch can be widely used in tension-free herniorrhaphy as an ideal hernia repair material.

35 Objective To investigate the outcome of xenogeneic (porcine) acellular dermal matrix in vivo.

36 Acellular dermal matrix is an inartificial biomaterial emerging in recent years, and there are some study reports about its application in neurosurgery, otolaryngology, burns, periodontology , et al.

37 Objective:To evaluate the prevention of Frey syndrome by laying the acellular dermal matrix (ADM) in parotidectomy.

38 Methods Xenogenic acellular dermal matrix was made from fresh pig skin which had removed the cells and the cell debris by some extraordinary methods.

39 To observe the effect of the repair of wounds in functional location by grafting combined acellular xenogenic dermis and big pieces of autogeneic thin split-thickness skin.